Add noDFG() to jsc to prevent DFG compilation of a specified function.
https://bugs.webkit.org/show_bug.cgi?id=148559

Reviewed by Geoffrey Garen and Saam Barati.

* API/JSCTestRunnerUtils.cpp:
(JSC::setNeverInline):
(JSC::setNeverOptimize):
* API/JSCTestRunnerUtils.h:
* bytecode/CodeBlock.cpp:
(JSC::CodeBlock::dumpAssumingJITType):
* dfg/DFGCapabilities.cpp:
(JSC::DFG::mightCompileEval):
(JSC::DFG::mightCompileProgram):
(JSC::DFG::mightCompileFunctionForCall):
(JSC::DFG::mightCompileFunctionForConstruct):
(JSC::DFG::mightInlineFunctionForCall):
* jsc.cpp:
(GlobalObject::finishCreation):
(functionNoDFG):
* runtime/Executable.h:
(JSC::ScriptExecutable::ecmaMode):
(JSC::ScriptExecutable::setNeverInline):
(JSC::ScriptExecutable::setNeverOptimize):
(JSC::ScriptExecutable::setDidTryToEnterInLoop):
(JSC::ScriptExecutable::neverInline):
(JSC::ScriptExecutable::neverOptimize):
(JSC::ScriptExecutable::didTryToEnterInLoop):
(JSC::ScriptExecutable::isInliningCandidate):
(JSC::ScriptExecutable::isOkToOptimize):
(JSC::ScriptExecutable::addressOfDidTryToEnterInLoop):
* runtime/TestRunnerUtils.cpp:
(JSC::setNeverInline):
(JSC::setNeverOptimize):
(JSC::optimizeNextInvocation):
* runtime/TestRunnerUtils.h:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@189086 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/Source/JavaScriptCore/bytecode/CodeBlock.cpp b/Source/JavaScriptCore/bytecode/CodeBlock.cpp
index 20c147a..01f11da 100644
--- a/Source/JavaScriptCore/bytecode/CodeBlock.cpp
+++ b/Source/JavaScriptCore/bytecode/CodeBlock.cpp
@@ -157,6 +157,8 @@
         out.print(" (ShouldAlwaysBeInlined)");
     if (ownerExecutable()->neverInline())
         out.print(" (NeverInline)");
+    if (ownerExecutable()->neverOptimize())
+        out.print(" (NeverOptimize)");
     if (ownerExecutable()->didTryToEnterInLoop())
         out.print(" (DidTryToEnterInLoop)");
     if (ownerExecutable()->isStrictMode())